Theodore: popularity, rarity & how many are alive today

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Names › Theodore

Theodore

Recorded 318,175 times in US records since 1880. Peak year: 2025.

#6 ↗

U.S. rank · 2025

1 in 248

U.S. · 2025 records

Popular

rarity tier

≈203,000

alive today (estimate) ⓘ

↗ rising

10-yr trend

How many Theodores are there?

Alive in the US today estimate

Roughly 203,000 Theodores are alive in the US today, we estimate. About 1 in 1,700 Americans.

Made from recorded births by year and sex, multiplied by survival to today's age (SSA life table). It can't see immigration, and it's an estimate, not a census: how the living estimate is made.

Popularity over time

Theodore through the years, 1880–2025

2025 · 13,362 13,362 0

18802025

Peak Theodore year: 2025 (ringed), with 13,362 recorded. Current usage: ~100% boys. counts of people issued a Social Security number, not a full count of births.

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Every figure on this page is computed from the U.S. Social Security Administration's national baby-names data (ssa.gov), and the living estimate uses the SSA actuarial life table: how we calculate this. Data through 2025; refreshed Jun 2026; living estimate as of 2026.